Internal Equivalent Circuit Of The Input/Output Circuit - GRAPHTEC midi LOGGER GL220 User Manual

CHAPTER 2 Checks and Preparation

Internal Equivalent Circuit of the Input/Output Circuit

●
Alarm Output
●
Logic/Pulse Input
LOGIC/PULSE(n)
●
Trigger Input
TRIGGER/
SAMPLE
GND
2-8
+5V
10K
2SC2411K
+5V
GND
+5V
100K Ω
Maximum ratings of the transistor for alarm output
VCEO (Collector-emitter voltage)
IC (Collector current)
PC (Collector dissipation)
* The maximum ratings must not be exceeded.
Example of external
connection
ALARM
Load
GND
+5V
100K
68K
220K
+5V
68K Ω
220K Ω
: 30 V
: 0.5 A
: 0.2 W
Required for an
inductive load such
as a relay
DC
(5 to 24V)
Comparator
Comparator
0.01µF